mirror of https://github.com/saitohirga/WSJT-X.git
Cleaning up some build scripts and fixing compiler warnings.
This commit is contained in:
Joe Taylor
parent
8ce2291fd8
commit
cfecb43d34
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@ -9,7 +9,6 @@ subroutine fast_decode(id2,narg,trperiod,line,mycall_12, &
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double precision trperiod
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real dat(30*12000)
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complex cdat(262145),cdat2(262145)
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real psavg(450)
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logical pick,first
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character*6 cfile6
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character*80 line(100)
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@ -58,9 +58,6 @@ set (libm65_FSRCS
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packjt.f90
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pctile.f90
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pfxdump.f90
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qra64b.f90
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qra64c.f90
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qra64zap.f90
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recvpkt.f90
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rfile3a.f90
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s3avg.f90
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@ -70,7 +67,6 @@ set (libm65_FSRCS
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shell.f90
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sleep_msec.f90
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smo.f90
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spec64.f90
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sun.f90
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symspec.f90
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sync64.f90
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@ -1,5 +1,4 @@
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subroutine afc65b(cx,cy,npts,fsample,nflip,ipol,xpol,ndphi,iloop, &
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a,ccfbest,dtbest)
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subroutine afc65b(cx,cy,npts,fsample,nflip,ipol,xpol,ndphi,a,ccfbest,dtbest)
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logical xpol
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complex cx(npts)
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@ -52,8 +52,8 @@ subroutine decode0(dd,ss,savg,nstandalone)
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call timer('map65a ',0)
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call map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
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mousedf,mousefqso,nagain,ndecdone,ndiskdat,nfshift,ndphi, &
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nfcal,nkeep,mcall3b,nsum,nsave,nxant,rmsdd,mycall,mygrid, &
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mousedf,mousefqso,nagain,ndecdone,nfshift,ndphi, &
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nfcal,nkeep,mcall3b,nsum,nsave,nxant,mycall,mygrid, &
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neme,ndepth,nstandalone,hiscall,hisgrid,nhsym,nfsample,nxpol,nmode)
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call timer('map65a ',1)
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call timer('decode0 ',1)
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@ -1,6 +1,6 @@
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subroutine decode1a(dd,newdat,f0,nflip,mode65,nfsample,xpol, &
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mycall,hiscall,hisgrid,neme,ndepth,nqd,dphi,ndphi,iloop, &
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nutc,nkhz,ndf,ipol,ntol,bq65,sync2,a,dt,pol,nkv,nhist,nsum,nsave, &
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mycall,hiscall,hisgrid,neme,ndepth,nqd,dphi,ndphi, &
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nutc,nkhz,ndf,ipol,ntol,sync2,a,dt,pol,nkv,nhist,nsum,nsave, &
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qual,decoded)
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! Apply AFC corrections to a candidate JT65 signal, then decode it.
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@ -14,7 +14,7 @@ subroutine decode1a(dd,newdat,f0,nflip,mode65,nfsample,xpol, &
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real s2(66,126)
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real s3(64,63),sy(63)
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real a(5)
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logical first,xpol,bq65
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logical first,xpol
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character decoded*22
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character mycall*12,hiscall*12,hisgrid*6
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data first/.true./,jjjmin/1000/,jjjmax/-1000/
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@ -68,8 +68,7 @@ subroutine decode1a(dd,newdat,f0,nflip,mode65,nfsample,xpol, &
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! factor of 1/8, say? Should be a significant execution speed-up.
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call timer('afc65b ',0)
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! Best fit for DF, f1, f2, pol
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call afc65b(c5x(i0),c5y(i0),nz,fsample,nflip,ipol,xpol, &
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ndphi,iloop,a,ccfbest,dtbest)
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call afc65b(c5x(i0),c5y(i0),nz,fsample,nflip,ipol,xpol,ndphi,a,ccfbest,dtbest)
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call timer('afc65b ',1)
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pol=a(4)/57.2957795
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@ -5,7 +5,7 @@ real function dpol(mygrid,hisgrid)
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character*6 MyGrid,HisGrid
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real lat,lon,LST
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character cdate*8,ctime2*10,czone*5,fnamedate*6
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character cdate*8,ctime2*10,czone*5
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integer it(8)
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data rad/57.2957795/
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@ -13,7 +13,7 @@ subroutine fil6521(c1,n1,c2,n2)
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! fout (Hz) 344.531 Output sample rate
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parameter (NTAPS=21)
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parameter (NH=NTAPS/2)
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parameter (NH=(NTAPS-1)/2)
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parameter (NDOWN=4) !Downsample ratio = 1/4
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complex c1(n1)
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complex c2(n1/NDOWN)
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@ -25,7 +25,6 @@ subroutine ftninit(appd)
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character*(*) appd
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character firstline*30
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character addpfx*8
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integer junk(256)
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common/pfxcom/addpfx
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addpfx=' '
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@ -69,7 +69,7 @@ subroutine getpfx1(callsign,k,nv2)
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k=-1
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else
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if(ispfx) then
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tpfx=lof
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tpfx=lof(1:4)
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k=nchar(tpfx(1:1))
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k=37*k + nchar(tpfx(2:2))
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k=37*k + nchar(tpfx(3:3))
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@ -80,7 +80,7 @@ subroutine getpfx1(callsign,k,nv2)
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callsign=callsign0(i+1:)
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endif
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if(issfx) then
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tsfx=rof
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tsfx=rof(1:3)
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k=nchar(tsfx(1:1))
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k=37*k + nchar(tsfx(2:2))
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k=37*k + nchar(tsfx(3:3))
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@ -2,7 +2,6 @@ subroutine iqfix(c,nfft,gain,phase)
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complex c(0:nfft-1)
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complex z,h,u,v
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real*8 sq1,sq2
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nh=nfft/2
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h=gain*cmplx(cos(phase),sin(phase))
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@ -1,6 +1,6 @@
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subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
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mousedf,mousefqso,nagain,ndecdone,ndiskdat,nfshift,ndphi, &
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nfcal,nkeep,mcall3b,nsum,nsave,nxant,rmsdd,mycall,mygrid, &
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mousedf,mousefqso,nagain,ndecdone,nfshift,ndphi, &
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nfcal,nkeep,mcall3b,nsum,nsave,nxant,mycall,mygrid, &
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neme,ndepth,nstandalone,hiscall,hisgrid,nhsym,nfsample,nxpol,nmode)
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! Processes timf2 data from Linrad to find and decode JT65 signals.
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@ -101,7 +101,7 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
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if(iii.ge.1 .and. iii.le.32768) then
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tavg(ii)=savg(jp,iii)
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else
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write(13,*) ,'Error in iii:',iii,ia,ib,fa,fb
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write(13,*) 'Error in iii:',iii,ia,ib,fa,fb
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flush(13)
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go to 999
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endif
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@ -221,7 +221,7 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
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idf=nint(1000.0*(freq+0.5*(nfa+nfb)-foffset-(ikHz+nfshift)))
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call decode1a(dd,newdat,f00,nflip,mode65,nfsample, &
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xpol,mycall,hiscall,hisgrid,neme,ndepth,nqd,dphi, &
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ndphi,iloop,nutc,ikHz,idf,ipol,ntol,bq65,sync2, &
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ndphi,nutc,ikHz,idf,ipol,ntol,sync2, &
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a,dt,pol,nkv,nhist,nsum,nsave,qual,decoded)
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call timer('decode1a',1)
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if(nqd.eq.2) then
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@ -319,7 +319,7 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
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if(ntxpol.gt.45 .and. ntxpol.le.135) cp='V'
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else
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cp='/'
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if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\\'
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if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\'
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endif
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endif
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endif
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@ -446,7 +446,7 @@ subroutine map65a(dd,ss,savg,newdat,nutc,fcenter,ntol,idphi,nfa,nfb, &
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if(ntxpol.gt.45 .and. ntxpol.le.135) cp='V'
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else
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cp='/'
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if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\\'
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if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\'
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endif
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endif
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endif
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@ -18,9 +18,8 @@ subroutine MoonDop(nyear,month,nday,uth4,lon4,lat4,RAMoon4,DecMoon4, &
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real*8 RME(6) !Vector from Earth center to Moon
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real*8 RAE(6) !Vector from Earth center to Obs
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real*8 RMA(6) !Vector from Obs to Moon
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real*8 pvsun(6)
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real*8 rme0(6)
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logical km,bary
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logical km
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data rad/57.2957795130823d0/,twopi/6.28310530717959d0/
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@ -1,65 +0,0 @@
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subroutine qra64b(nutc,nqd,fcenter,nfcal,nfsample,ikhz,mousedf,ntol,xpol, &
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mycall_12,hiscall_12,hisgrid_6,mode64,nwrite_qra64)
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parameter (MAXFFT1=5376000) !56*96000
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parameter (MAXFFT2=336000) !56*6000 (downsampled by 1/16)
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complex ca(MAXFFT1),cb(MAXFFT1) !FFTs of raw x,y data
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complex cx(0:MAXFFT2-1),cy(0:MAXFFT2-1)
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logical xpol
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real*8 fcenter
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character*12 mycall_12,hiscall_12
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character*6 hisgrid_6
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common/cacb/ca,cb
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data nzap/3/
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open(17,file='red.dat',status='unknown')
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nfft1=MAXFFT1
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nfft2=MAXFFT2
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df=96000.0/NFFT1
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if(nfsample.eq.95238) then
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nfft1=5120000
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nfft2=322560
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df=96000.0/nfft1
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endif
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nh=nfft2/2
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ikhz0=nint(1000.0*(fcenter-int(fcenter)))
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k0=((ikhz-ikhz0+48.0+1.27)*1000.0+nfcal)/df
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if(k0.lt.nh .or. k0.gt.nfft1-nh) go to 900
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fac=1.0/nfft2
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cx(0:nh)=ca(k0:k0+nh)
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cx(nh+1:nfft2-1)=ca(k0-nh+1:k0-1)
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cx=fac*cx
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if(xpol) then
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cy(0:nh)=cb(k0:k0+nh)
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cy(nh+1:nfft2-1)=cb(k0-nh+1:k0-1)
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cy=fac*cy
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endif
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! Here cx and cy (if xpol) are frequency-domain data around the selected
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! QSO frequency, taken from the full-length FFT computed in filbig().
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! Values for fsample, nfft1, nfft2, df, and the downsampled data rate
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! are as follows:
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! fSample nfft1 df nfft2 fDownSampled
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! (Hz) (Hz) (Hz)
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!----------------------------------------------------
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! 96000 5376000 0.017857143 336000 6000.000
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! 95238 5120000 0.018601172 322560 5999.994
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! write(60) cx,cy,nutc,nqd,ikhz,mousedf,ntol,xpol,mycall_12, &
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! hiscall_12,hisgrid_6
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if(nzap.gt.0) call qra64zap(cx,cy,xpol,nzap)
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! Transform back to time domain with sample rate 6000 Hz.
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call four2a(cx,nfft2,1,-1,1)
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call four2a(cy,nfft2,1,-1,1)
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call qra64c(cx,cy,nutc,nqd,ikhz,mousedf,ntol,xpol,mycall_12, &
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hiscall_12,hisgrid_6,mode64,nwrite_qra64)
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close(17)
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900 return
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end subroutine qra64b
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@ -1,221 +0,0 @@
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subroutine qra64c(cx,cy,nutc,nqd,ikhz,nfqso,ntol,xpol,mycall_12, &
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hiscall_12,hisgrid_6,mode64,nwrite_qra64)
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use packjt
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parameter (NFFT2=336000) !56*6000 (downsampled by 1/16)
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parameter (NMAX=60*12000,LN=1152*63)
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character decoded*22
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character*12 mycall_12,hiscall_12
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character*6 mycall,hiscall,hisgrid_6,grid
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character*4 hisgrid
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character cp*1,cmode*2
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logical xpol,ltext
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complex cx(0:NFFT2-1),cy(0:NFFT2-1)
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complex c00(0:720000) !Complex spectrum of dd()
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complex c0(0:720000) !Complex data for dd()
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real a(3)
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real s3(LN) !Symbol spectra
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real s3a(LN) !Symbol spectra
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integer dat4(12) !Decoded message (as 12 integers)
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integer dat4x(12)
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integer nap(0:11)
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data nap/0,2,3,2,3,4,2,3,6,4,6,6/,cmode/'$'/
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data nc1z/-1/,nc2z/-1/,ng2z/-1/,maxaptypez/-1/
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save
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! For now:
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nf1=-3000
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nf2=3000
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! mode64=1
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minsync=-1
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ndepth=3
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emedelay=2.5
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irc=-1
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nwrite_qra64=0
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decoded=' '
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nft=99
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mycall=mycall_12(1:6)
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hiscall=hiscall_12(1:6)
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hisgrid=hisgrid_6(1:4)
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call packcall(mycall,nc1,ltext)
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call packcall(hiscall,nc2,ltext)
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call packgrid(hisgrid,ng2,ltext)
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nSubmode=0
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if(mode64.eq.2) nSubmode=1
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if(mode64.eq.4) nSubmode=2
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if(mode64.eq.8) nSubmode=3
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if(mode64.eq.16) nSubmode=4
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cmode(2:2)=char(ichar('A')+nSubmode)
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b90=1.0
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nFadingModel=1
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maxaptype=4
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if(iand(ndepth,64).ne.0) maxaptype=5
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if(nc1.ne.nc1z .or. nc2.ne.nc2z .or. ng2.ne.ng2z .or. &
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maxaptype.ne.maxaptypez) then
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do naptype=0,maxaptype
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if(naptype.eq.2 .and. maxaptype.eq.4) cycle
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call qra64_dec(s3,nc1,nc2,ng2,naptype,1,nSubmode,b90, &
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nFadingModel,dat4,snr2,irc)
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enddo
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nc1z=nc1
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nc2z=nc2
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ng2z=ng2
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maxaptypez=maxaptype
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endif
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naptype=maxaptype
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npts2=NFFT2
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ipz=0
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if(xpol) ipz=3
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do ip=0,ipz
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if(ip.eq.0) c00(0:NFFT2-1)=conjg(cx)
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if(ip.eq.1) c00(0:NFFT2-1)=0.707*conjg(cx+cy)
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if(ip.eq.2) c00(0:NFFT2-1)=conjg(cy)
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if(ip.eq.3) c00(0:NFFT2-1)=0.707*conjg(cx-cy)
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call sync64(c00,nf1,nf2,nfqso,ntol,mode64,emedelay,dtx,f0,jpk0,sync, &
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sync2,width)
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nfreq=nint(f0)
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if(mode64.eq.1 .and. minsync.ge.0 .and. (sync-7.0).lt.minsync) go to 900
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a=0.
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a(1)=-f0
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call twkfreq(c00,c0,npts2,6000.0,a)
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irc=-99
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s3lim=20.
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itryz=5
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itz=11
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if(mode64.eq.4) itz=9
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if(mode64.eq.2) itz=7
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if(mode64.eq.1) itz=5
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if(mode64.eq.1) then
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itz=0
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itryz=1
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endif
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LL=64*(mode64+2)
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NN=63
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napmin=99
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do itry0=1,itryz
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idt=itry0/2
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if(mod(itry0,2).eq.0) idt=-idt
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jpk=jpk0 + 750*idt
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call spec64(c0,npts2,mode64,jpk,s3a,LL,NN)
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call pctile(s3a,LL*NN,40,base)
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s3a=s3a/base
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where(s3a(1:LL*NN)>s3lim) s3a(1:LL*NN)=s3lim
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do iter=itz,0,-2
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b90=1.728**iter
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if(b90.gt.230.0) cycle
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if(b90.lt.0.15*width) exit
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s3(1:LL*NN)=s3a(1:LL*NN)
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call timer('qra64_de',0)
|
||||
call qra64_dec(s3,nc1,nc2,ng2,naptype,0,nSubmode,b90, &
|
||||
nFadingModel,dat4,snr2,irc)
|
||||
call timer('qra64_de',1)
|
||||
if(irc.eq.0) go to 10
|
||||
if(irc.gt.0) call badmsg(irc,dat4,nc1,nc2,ng2)
|
||||
iirc=max(0,min(irc,11))
|
||||
if(irc.gt.0 .and. nap(iirc).lt.napmin) then
|
||||
dat4x=dat4
|
||||
b90x=b90
|
||||
snr2x=snr2
|
||||
napmin=nap(iirc)
|
||||
irckeep=irc
|
||||
dtxkeep=jpk/6000.0 - 1.0
|
||||
itry0keep=itry0
|
||||
iterkeep=iter
|
||||
npolkeep=ip*45
|
||||
endif
|
||||
enddo
|
||||
if(irc.eq.0) goto 5
|
||||
enddo
|
||||
enddo
|
||||
|
||||
5 if(napmin.ne.99) then
|
||||
dat4=dat4x
|
||||
b90=b90x
|
||||
snr2=snr2x
|
||||
irc=irckeep
|
||||
dtx=dtxkeep
|
||||
itry0=itry0keep
|
||||
iter=iterkeep
|
||||
npol=npolkeep
|
||||
endif
|
||||
10 decoded=' '
|
||||
|
||||
if(irc.ge.0) then
|
||||
if(irc.eq.0) npol=ip*45
|
||||
call unpackmsg(dat4,decoded) !Unpack the user message
|
||||
call fmtmsg(decoded,iz)
|
||||
if(index(decoded,"000AAA ").ge.1) then
|
||||
! Suppress a certain type of garbage decode.
|
||||
decoded=' '
|
||||
irc=-1
|
||||
endif
|
||||
nft=100 + irc
|
||||
nsnr=nint(snr2)
|
||||
else
|
||||
snr2=0.
|
||||
endif
|
||||
|
||||
900 if(irc.lt.0) then
|
||||
sy=max(1.0,sync)
|
||||
if(nSubmode.eq.0) nsnr=nint(10.0*log10(sy)-35.0) !A
|
||||
if(nSubmode.eq.1) nsnr=nint(10.0*log10(sy)-34.0) !B
|
||||
if(nSubmode.eq.2) nsnr=nint(10.0*log10(sy)-29.0) !C
|
||||
if(nSubmode.eq.3) nsnr=nint(10.0*log10(sy)-29.0) !D
|
||||
if(nSubmode.eq.4) nsnr=nint(10.0*log10(sy)-24.0) !E
|
||||
endif
|
||||
|
||||
! If Tx station's grid is in decoded message, compute optimum TxPol
|
||||
i1=index(decoded,' ')
|
||||
i2=index(decoded(i1+1:),' ') + i1
|
||||
grid=' '
|
||||
if(i2.ge.8 .and. i2.le.18) grid=decoded(i2+1:i2+4)//'mm'
|
||||
ntxpol=0
|
||||
cp=' '
|
||||
if(xpol) then
|
||||
if(grid(1:1).ge.'A' .and. grid(1:1).le.'R' .and. &
|
||||
grid(2:2).ge.'A' .and. grid(2:2).le.'R' .and. &
|
||||
grid(3:3).ge.'0' .and. grid(3:3).le.'9' .and. &
|
||||
grid(4:4).ge.'0' .and. grid(4:4).le.'9') then
|
||||
ntxpol=mod(npol-nint(2.0*dpol(mygrid,grid))+720,180)
|
||||
if(nxant.eq.0) then
|
||||
cp='H'
|
||||
if(ntxpol.gt.45 .and. ntxpol.le.135) cp='V'
|
||||
else
|
||||
cp='/'
|
||||
if(ntxpol.ge.90 .and. ntxpol.lt.180) cp='\\'
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
if(irc.ge.0) then
|
||||
write(*,1010) ikHz,nfreq,npol,nutc,dtx,nsnr,cmode(1:1),decoded, &
|
||||
irc,ntxpol,cp
|
||||
1010 format('!',i3,i5,i4,i6.4,f5.1,i5,1x,a1,1x,a22,i2,5x,i5,1x,a1)
|
||||
nwrite_qra64=nwrite_qra64+1
|
||||
freq=144.0 + 0.001*ikhz
|
||||
write(21,1014) freq,nfreq,dtx,npol,nsnr,nutc,decoded,cp, &
|
||||
cmode(1:1),cmode(2:2)
|
||||
1014 format(f8.3,i5,f5.1,2i4,i5.4,2x,a22,2x,a1,3x,a1,1x,a1)
|
||||
|
||||
if(index(decoded,'CQ ').gt.0 .or. index(decoded,'QRZ ').gt.0 .or. &
|
||||
index(decoded,'QRT ').gt.0 .or. index(decoded,'CQV ').gt.0 .or. &
|
||||
index(decoded,'CQH ').gt.0) then
|
||||
write(19,1016) ikhz,nfreq,npol,nutc,dtx,nsnr,decoded,0,cmode
|
||||
1016 format(i3,i5,i4,i5.4,f7.1,i4,2x,a22,i3,1x,a2)
|
||||
flush(19)
|
||||
endif
|
||||
else
|
||||
write(*,1010) ikHz,nfreq,npol,nutc,dtx,nsnr
|
||||
nwrite_qra64=nwrite_qra64+1
|
||||
endif
|
||||
|
||||
return
|
||||
end subroutine qra64c
|
||||
|
|
@ -1,62 +0,0 @@
|
|||
subroutine qra64zap(cx,cy,xpol,nzap)
|
||||
|
||||
parameter (NFFT1=5376000) !56*96000
|
||||
parameter (NFFT2=336000) !56*6000 (downsampled by 1/16)
|
||||
complex cx(0:NFFT2-1),cy(0:NFFT2-1)
|
||||
real s(-1312:1312)
|
||||
integer iloc(1)
|
||||
logical xpol
|
||||
|
||||
slimit=3.0
|
||||
sbottom=1.5
|
||||
nadd=128
|
||||
nblks=NFFT2/nadd
|
||||
nbh=nblks/2
|
||||
k=-1
|
||||
s=0.
|
||||
df=nadd*96000.0/NFFT1
|
||||
do i=1,nblks
|
||||
j=i
|
||||
if(j.gt.nblks/2) j=j-nblks
|
||||
do n=1,nadd
|
||||
k=k+1
|
||||
s(j)=s(j) + real(cx(k))**2 + aimag(cx(k))**2
|
||||
if(xpol) s(j)=s(j) + real(cy(k))**2 + aimag(cy(k))**2
|
||||
enddo
|
||||
enddo
|
||||
call pctile(s,nblks,45,base)
|
||||
s=s/base
|
||||
do nzap=1,3
|
||||
iloc=maxloc(s)
|
||||
ipk=iloc(1)-1313
|
||||
smax=s(ipk)
|
||||
nw=3
|
||||
do n=1,3
|
||||
nw=2*nw
|
||||
if(ipk-2*nw.lt.-1312) cycle
|
||||
if(ipk+2*nw.gt. 1312) cycle
|
||||
s1=maxval(s(ipk-2*nw:ipk-nw))
|
||||
s2=maxval(s(ipk+nw:ipk+2*nw))
|
||||
if(smax.gt.slimit .and. s1.lt.sbottom .and. s2.lt.sbottom) then
|
||||
s(ipk-nw:ipk+nw)=1.0
|
||||
i0=ipk
|
||||
if(i0.lt.0) i0=i0+2625
|
||||
ia=(i0-nw)*nadd
|
||||
ib=(i0+nw)*nadd
|
||||
cx(ia:ib)=0.
|
||||
cy(ia:ib)=0.
|
||||
exit
|
||||
endif
|
||||
enddo
|
||||
enddo
|
||||
|
||||
! rewind 75
|
||||
! do i=-nbh,nbh
|
||||
! freq=i*df
|
||||
! write(75,3001) freq,s(i)
|
||||
!3001 format(2f12.3)
|
||||
! enddo
|
||||
! flush(75)
|
||||
|
||||
return
|
||||
end subroutine qra64zap
|
||||
|
|
@ -16,6 +16,7 @@ subroutine recvpkt(nsam,nblock2,userx_no,k,buf4,buf8,buf16)
|
|||
equivalence (jd,d8,yd)
|
||||
equivalence (xd,c16)
|
||||
|
||||
if(nblock2.eq.-9999) nblock2=-9998 !Silence a compiler warning
|
||||
if(nsam.eq.-1) then
|
||||
! Move data from the UDP packet buffer into array dd().
|
||||
if(userx_no.eq.-1) then
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
subroutine sleep_msec(n)
|
||||
call usleep(n*1000)
|
||||
return
|
||||
end subroutine sleep_msec
|
||||
|
|
|
|||
|
|
@ -1,42 +0,0 @@
|
|||
subroutine spec64(c0,npts2,mode64,jpk,s3,LL,NN)
|
||||
|
||||
parameter (NSPS=3456) !Samples per symbol at 6000 Hz
|
||||
complex c0(0:360000) !Complex spectrum of dd()
|
||||
complex cs(0:NSPS-1) !Complex symbol spectrum
|
||||
real s3(LL,NN) !Synchronized symbol spectra
|
||||
real xbase0(LL),xbase(LL)
|
||||
|
||||
nfft=nsps
|
||||
fac=1.0/nfft
|
||||
do j=1,NN
|
||||
jj=j+7 !Skip first Costas array
|
||||
if(j.ge.33) jj=j+14 !Skip middle Costas array
|
||||
ja=jpk + (jj-1)*nfft
|
||||
jb=ja+nfft-1
|
||||
cs(0:nfft-1)=fac*c0(ja:jb)
|
||||
call four2a(cs,nfft,1,-1,1)
|
||||
do ii=1,LL
|
||||
i=ii-65
|
||||
if(i.lt.0) i=i+nfft
|
||||
s3(ii,j)=real(cs(i))**2 + aimag(cs(i))**2
|
||||
enddo
|
||||
enddo
|
||||
|
||||
df=6000.0/nfft
|
||||
do i=1,LL
|
||||
call pctile(s3(i,1:NN),NN,45,xbase0(i)) !Get baseline for passband shape
|
||||
enddo
|
||||
|
||||
nh=25
|
||||
xbase(1:nh-1)=sum(xbase0(1:nh-1))/(nh-1.0)
|
||||
xbase(LL-nh+1:LL)=sum(xbase0(LL-nh+1:LL))/(nh-1.0)
|
||||
do i=nh,LL-nh
|
||||
xbase(i)=sum(xbase0(i-nh+1:i+nh))/(2*nh+1) !Smoothed passband shape
|
||||
enddo
|
||||
|
||||
do i=1,LL
|
||||
s3(i,1:NN)=s3(i,1:NN)/(xbase(i)+0.001) !Apply frequency equalization
|
||||
enddo
|
||||
|
||||
return
|
||||
end subroutine spec64
|
||||
Loading…
Reference in New Issue